英语词汇“bottom hold-down”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	bottom hold-down
释义	bottom hold-down bottom hold-down [′bäd·əm ′hōl dau̇n] (petroleum engineering) A device located at the lower end of a bottom-hole pump that anchors it in a well.
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